740781519264 has 72 divisors (see below), whose sum is σ = 2106681568992. Its totient is φ = 246917312640.

The previous prime is 740781519223. The next prime is 740781519277. The reversal of 740781519264 is 462915187047.

740781519264 is a `hidden beast` number, since 7 + 40 + 7 + 81 + 519 + 2 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 740781519264.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12432327 + ... + 12491769.

It is an arithmetic number, because the mean of its divisors is an integer number (29259466236).

Almost surely, 2^740781519264 is an apocalyptic number.

It is an amenable number.

740781519264 is an abundant number, since it is smaller than the sum of its proper divisors (1365900049728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

740781519264 is a wasteful number, since it uses less digits than its factorization.

740781519264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102730 (or 102719 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 740781519264 in words is "seven hundred forty billion, seven hundred eighty-one million, five hundred nineteen thousand, two hundred sixty-four".